424423355 has 4 divisors (see below), whose sum is σ = 509308032. Its totient is φ = 339538680.

The previous prime is 424423331. The next prime is 424423357. The reversal of 424423355 is 553324424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 424423355 - 2²⁶ = 357314491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424423357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42442331 + ... + 42442340.

It is an arithmetic number, because the mean of its divisors is an integer number (127327008).

Almost surely, 2^424423355 is an apocalyptic number.

424423355 is a deficient number, since it is larger than the sum of its proper divisors (84884677).

424423355 is an equidigital number, since it uses as much as digits as its factorization.

424423355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84884676.

The product of its digits is 57600, while the sum is 32.

The square root of 424423355 is about 20601.5376853282. The cubic root of 424423355 is about 751.5071057773.

Adding to 424423355 its reverse (553324424), we get a palindrome (977747779).

The spelling of 424423355 in words is "four hundred twenty-four million, four hundred twenty-three thousand, three hundred fifty-five".